a sydney opera house guided walking tour duration: 60 minutes （approx．） location: sydney, australia go behind the scenes listed at the world heritage—sydney opera house, one of the world"s "must-see" attractions．on your one-hour guided walking tour of the sydney opera house, you"ll see what goes on behind the world"s most recognizable sails．you"ll hear the various stories of the building"s construction, as interesting as any opera story, brought alive by the tour"s new interactive audiovisual （音视频的） presentation． likely to sell out the sydney opera house guided tour regularly sells out weeks in advance, so book now to avoid disappointment．
